Home
Class 12
CHEMISTRY
Assertion (A) Nitration of chlorobenzene...

Assertion (A) Nitration of chlorobenzene leads to the formation of m-nitrochlorobenzene.
Reason (R) `-NO_(2)` group is a m-directing group.

A

Assertion is false but reason is true

B

Assertion is true but reason is false

C

Both assertion and reason are true, but reason is not a true explanation for assertion

D

Both assertion and reason are true and reason is the correct explanation for assertion

Text Solution

Verified by Experts

The correct Answer is:
A

The assertion is incorrect but the reason is correct as the chlorination of nitrobenzene (not the nitration of chlorobenzene) leads to the formation of m-nitrochlorobenzene because `-NO_(2)` group deactivates the ring because it is metal-directing.
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 3 (CHEMISTRY)

    ICSE|Exercise QUESTIONS|70 Videos
  • SAMPLE PAPER 05 (CHEMISTRY)

    ICSE|Exercise MULTIPLE CHOICE QUESTIONS|70 Videos

Similar Questions

Explore conceptually related problems

A : Nitration of benzoic acid gives ortho and para derivatives of nitrobenzoic acids. R : Carboxyl group is activating group.

Which of the following group (s) is/are m-directing ?

Can -NO_(2) group act as secondary suffix ?

Assertion : Picric acid is a strong acid inspite of the absence of the carboxyl group. Reason : The three -NO_(2) groups in picric acid activate the phenate ion.

Assertion (A) All collision of reactant molecules lead to product formation. Reason (R) Only those collisions in which molecules have correct orientation and sufficent kinetic energy kinetic energy lead to compound formation.

Assertion : Carboxylic acids do not undergo Friedel - Crafts reaction. Reason : Carboxyl group is meta-directing group.

Assertion: p-N, N- dimethylaminobenzaldehy under-goes benzoin condensation Reason : The aldehydic (-CHO) group is meta directing.

Assertion (A) Presence of a nitro group at ortho or para position increases the reactivity of haloarenas towards nucleophilic substitution. Reason (R ) Nitro group, being an electron withdrawing group decreases the electron density over the benzene ring.

Assertion: Replacement fo -Cl group by -OH in chlorobenzene is easier if nitro group is present in the ring. Reason: Nitro group leads to strengthening of the C-Cl bond in chlorobenzene.

ICSE-SAMPLE PAPER 01-Questions
  1. Which of the following will have metal deficiency defect?

    Text Solution

    |

  2. A compound(A) reacts with thionyl chloride to give compound (B). (B) r...

    Text Solution

    |

  3. A compound (X) reacts with thionyl chloride to give a compound (Y) , (...

    Text Solution

    |

  4. Give hydrolysis products of diborone.

    Text Solution

    |

  5. A compound (A) with molecular formulae C(4)H(10)O on oxidation form co...

    Text Solution

    |

  6. During the process of electrolytic refining of copper some metals pres...

    Text Solution

    |

  7. Extraction of zinc from zinc blende is achieved by

    Text Solution

    |

  8. In a simple cubic, body-centred cubic and face-centred cubic structure...

    Text Solution

    |

  9. Na and Mg crystallize in bcc- and fcc-type crystals, respectively, the...

    Text Solution

    |

  10. S-S bond is present in which of the ion pairs?

    Text Solution

    |

  11. P(4)O(10) has bridging O atoms.

    Text Solution

    |

  12. C-Cl bond of chlorobenzene in comparison to C-Cl bond in methyl chlori...

    Text Solution

    |

  13. Identify the reagent used in the following chemical reaction to for a ...

    Text Solution

    |

  14. What should be the correct IUPAC name for diethylbromomethane?

    Text Solution

    |

  15. Molecules whose mirror image is non-superimposable over them are known...

    Text Solution

    |

  16. Assertion: 2,4-Dinitrophenol is less acidic than phenol Reason: Lowe...

    Text Solution

    |

  17. Assertion (A) Nitration of chlorobenzene leads to the formation of m-n...

    Text Solution

    |

  18. Assertion : The heavier p-block element do not form strong pi bonds. ...

    Text Solution

    |

  19. Assertion: Bond angle of H(2)S is smaller than H(2)O. Reason: Electr...

    Text Solution

    |

  20. Assertion: Limestone is added to blast furnace during extraction of ir...

    Text Solution

    |